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safety securitate management riscuri sanatate managementul proiectelor tools hammers methods loss control hazop basic audit behaviour knowledge assessment integrated management accidente de munc膬 vulnerability analysis risk mitigation controale inginere葯ti protectie riscuri mecanice masini unelte munca structuri cadru securitate 葯i s膬n膬tate 卯n munc膬 iso 31.000 ac葲iune asupra produselor produse avatars easy learning education safety and health health basics evaluare problem solving